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CVE-2026-42218

XRDP is vulnerable to a server timing attack, leading to user enumeration

Published: Jul 20, 2026Updated: Jul 22, 2026 Sources: CVE List NVDCWE-204
5.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 83.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized information disclosure via username enumeration. This issue has been fixed in version 0.10.6.1.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-204

Affected Products

neutrinolabs
oss-project
xrdpOn-prem
Networking Infrastructure / network-management

Exploitability

Official Patch Available
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References

https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-3wr5-fwmh-qh34
github.com
https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6.1
github.com

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